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Połczyńska, Karolina, 2025, "Single vanadium ion magnetic dopant in an individual CdTe/ZnTe quantum dot", https://doi.org/10.18150/YJ3GOG, RepOD, V1
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The source data file for a publication: "Single vanadium ion magnetic dopant in an individual CdTe/ZnTe quantum dot".
Photoluminescence spectrum of CdTe/ZnTe quantum dot containing single vanadium dopant.
We present the basic properties of a physical system: an individual V2+ ion embedded into an individual quantum dot. The system is realized utilizing molecular beam epitaxy and it is observed using a low-temperature polarization-resolved magnetophotoluminescence. The nature of the system is confirmed by observation of the excitonic lines split due to the interactions of a vanadium ion with carriers confined in a CdTe/ZnTe quantum dot. Observed data are explained by the numerical modeling which includes an 𝑠,𝑝−𝑑 exchange interaction, Zeeman splitting of the exciton and the ion, a diamagnetic shift, and the presence of shear strain within the quantum dot. The fundamental state of vanadium exhibits a spin ±1/2, making this system a textbook localized qubit.
magnetic dopants, solotronics, molecular beam epitaxy, vanadium, quantum dot
K. E. Połczyńska, T. Kazimierczuk, P. Kossacki and W. Pacuski, Single vanadium ion magnetic dopant in an individual CdTe/ZnTe quantum dot, Physical Review B 111, 085428 (2025), https://doi.org/10.1103/PhysRevB.111.085428 https://doi.org/10.1103/PhysRevB.111.085428 doi: 10.1103/PhysRevB.111.085428
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